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239899 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

239899: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY OVERALL, overall_height: 1.312 INCHES NOMINAL IN, surface_treatment: DICHROMATE OVERALL, body_inside_diameter: 0.562 INCHES NOMINAL IN, body_outside_diameter: 0.921 INCHES NOMINAL IN, seating_surface_shape: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-204-9659, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
239899
NSN: 4820-00-204-9659
FSC: 4820 — Valves, Nonpowered
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialZINC ALLOY OVERALL
overall_height1.312 INCHES NOMINAL IN
surface_treatmentDICHROMATE OVERALL
body_inside_diameter0.562 INCHES NOMINAL IN
body_outside_diameter0.921 INCHES NOMINAL IN
seating_surface_shapeANGULAR
end_item_identificationHARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431
NSN4820-00-204-9659
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 239899 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.921 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT: DICHROMATE OVERALL
•
MATERIAL: ZINC ALLOY OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.312 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.921 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.562 INCHES NOMINAL IN
SURFACE TREATMENTDICHROMATE OVERALL
END ITEM IDENTIFICATIONHARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431
MATERIALZINC ALLOY OVERALL
SEATING SURFACE SHAPEANGULAR
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 239899?
239899 is a SEAT,VALVE.
What is the NSN for 239899?
239899 is cataloged in the U.S. Government catalog under NSN 4820-00-204-9659. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.